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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Phenazone (antipyrin) & its derivs. | | | $1,840 | | $117 | | |
| Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ... | | | | | $11,039 | | |
| Hydantoin & its derivs. | $14,202 | $9,151 | $755 | $7,764 | $1,974 | | |
| Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | $779,133 | $1,024,973 | $394,926 | $1,517,088 | $487,497 | $884,836 | $1,283,477 |
| Pyridine & its salts | $35,557 | $20,939 | $31,546 | $50,888 | $91,674 | $556,538 | $1,494,478 |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | $2,704,243 | $2,235,298 | $1,926,891 | $1,645,716 | $1,233,760 | $1,464,757 | $3,349,015 |
| Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | $2,055,232 | $1,346,260 | $3,332,757 | $2,348,794 | $1,995,681 | $2,469,887 | $2,885,447 |
| Melamine | $161 | | $33 | $493 | | $46,131 | $36,675 |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | $710,468 | $1,068,917 | $1,390,295 | $1,872,362 | $1,559,711 | $1,872,944 | $2,040,118 |
| Lactams (excl. of 2933.71 & 2933.72) | | $4,107 | $6,047 | $23,650 | $65,726 | $143,534 | $644,436 |
| Total | $6,298,996 | $5,709,645 | $7,085,090 | $7,466,755 | $5,447,179 | $7,438,627 | $11,733,646 |
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